S
M
T
W
T
F
S
30
91°
69°
31
91°
68°
1
90°
68°
2
91°
67°
3
91°
68°
4
90°
68°
5
92°
67°
6
91°
67°
7
89°
62°
8
85°
65°
9
86°
66°
10
88°
61°
11
88°
62°
12
86°
63°
13
87°
64°
14
89°
65°
15
88°
64°
16
87°
63°
17
85°
59°
18
82°
59°
19
81°
63°
20
81°
58°
21
82°
57°
22
79°
57°
23
79°
62°
24
80°
62°
25
82°
61°
26
84°
62°
27
81°
61°
28
84°
61°
29
84°
60°
30
79°
60°
1
78°
59°
2
82°
53°
3
77°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gray Hill
Gray Hill's September 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 52° and 69°. The average high for September is 85° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Gray Hill. See also: October | November | December.